↑Edwards, Capt. R.F., R.E. Editor. Professional Papers of the Corps of Royal Engineers, Vol. XXV, W.J. Mackay & Co, Ltd., 1900, The Evolution of the Defence, By Colonel M.H.G. Goldie R.E., p. 58, describes Albuera indecisive.
↑Griswold, Rufus Wilmot. Napoleon and the Marshals of the Empire, Philadelphia, 1865, Vol. II, p. 50, "...the drawn battle of Albuera...".